1926. Geological Survey (U.S.). Relief shown by contours and spot heights ; contour interval on land 25 ft. contour interval on river surface 5 ft.; Survey dates between 1913 and ... The Survey (Washington).
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1927. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1926."; Index map on each sheet. 46 x 63 centimeters + Scale 1:31,680 General Map Collection. The Survey.
1926. Geological Survey (U.S.). Relief shown by contours and spot heights ; contour interval on land 20 ft. ; contour interval on river surface 5 ft.; "Surveyed in 1925."; Vertica... The Survey (Washington).
1926. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1924-5."; Vertical scale of profiles 1 in. = 40 ft.; Includes "Key map of plan sheets" on ... The Survey (Washington).
1927. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1924."; "Topography by R.W. Burchard."; "Datum is mean sea level."; Sheets include townshi... Dept. of the Interior, U.S. Geological Survey (Washington, D.C).
1925. Geological Survey (U.S.). Relief shown by contours and spot heights ; contour interval on land 20 ft. ; contour interval on river surface 5 ft.; Survey dates: 1921 and 1923.... The Survey (Washington).
3757. Plan and profile of Umpqua River above Scottsburg, Oregon : North Umpqua River and tributaries
1926. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1914 and 1924."; Topography also done by R.B. Kilgore.; Vertical scale of profiles 1 in. =... The Survey (Washington).
1865. Comstock, C. B. (Cyrus Ballou), 1831-1910. "E. Molitor, lith." Relief shown by hachures and pictorially. Oriented with north toward the upper right. 27 x 39 centimeters Scale [1:3840]. 320... Engraved in the Engineer Bureau, War Dept. (Washington, D.C.?).
1909. Dufrénoy, E. Relief shown by hachures and spot heights.; Includes enlargement of Southern Norway, and 1 inset map of Svalbard.; "E.S., K.G." 52 x 68 centimeters... E. Dufrénoy (Paris).
1771. Cartographic Details: Scale approximately 1:237,600 ; (E 72°46'10"--E 73°01'20"/N 19°01'50"--N 18°43'15"). Date from previous call number. At top r...